Important Notes
- Factory wheels cannot be reinstalled without wheel spacers
- HD front springs recommended for applications with aftermarket winch/bumper combo
- HD rear springs recommended for applications with rear mounted full size spare tire
- Will not fit 4xe models
- Will not fit Rubicon 392 models
Features & Benefits
- Front/Rear Dual Rate Coil Springs (standard or HD) designed to great ride quality across any terrain.
- Front/Rear Gas Shocks (Jspec, FOX 2.0 Performance Series, or FOX 2.5 Performance Elite) specifically valved for this suspension system for improved performance on and off-road.
- Front Adjustable Track Bar and Rear Track Bar Bracket to correct axle positioning under vehicle.
- Front Sway Bar Quicker Disconnects and Rear Sway Bar Links for increased offroad articulation.
- Front/Rear Bump Stop Extensions to properly limit suspension up travel.
- Front Control Arm Correction Brackets to flatten upper/lower control arm angles to correct caster and improve handling.
JKS Mfg adds specially tuned FOX 2.0 Adventure Series IFP Gas Shocks to lineup for Jeep Wrangler JL. Designed for improved damper performance in rough terrain and all around comfort and control, thee shocks take advantage of FOX's racing pedigree and offering an affordable option that packs true race proven capability. They feature a monotube design and an internal floating piston (IFP) to separate the shock oil from the high-pressure, nitrogen-charged gas chamber, preventing oil aeration for fade-free performance in rough terrain. Lengths and shock tuning have been specially designed for the JKS lift kits to optimize performance. Get more out of your lifted Jeep JL FOX Adventure Series 2.0 shocks.
J-Kontrol suspension systems are J-Rated™ for serious trail use with excellent road manners. Optional FOX shocks increase ratings for all terrains – On and off-road.
Tire Specs
Rubicon Models (all kits)
Tire: 37x12.50
Wheel: 17x9, 18x9, 20x9
Backspacing: 5"
Non-Rubicon Models (all kits)
Tire: 35x12.50
Wheel:17x9, 18x9, 20x9
Backspacing: 5" BS
Other tire/wheel sizes can be used, however may require additional modification.
In the Box
In the box for JSPEC137KFA :
FOX98450323 (x2) Fox Adv Shock 26.86 x 16.76 x 2 EB1/EB1
FOX98450327 (x2) Fox Adv Shock 30.06 x 18.46 x 2 EB1/EB1
JKS6201 (x1) 2018-2022 Jeep Wrangler JL Control Arm Correction Brackets
JSPEC1251 (x1) 2018-2021 Jeep Wrangler JL 2.5in Front Coil Spring Kit - STD
JSPEC1259 (x1) 2018-2021 Jeep Wrangler JL 2.5in Rear Coil Spring Kit - STD
JSPEC1310 (x1) 2018-2021 Jeep Wrangler JL J-Kontrol Main Box Kit
